Ear anatomy
Posterior semicircular canal
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What two basic components make up the outer ear
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Purpose of Pinna
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Purpose of middle ear
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
At what sound are we able to hear?
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What joint is formed between the Incus and Mallus
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What joint does the lenticular process and stapes form
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What purpose do processes serve
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
3 ways ossicles overcome impedance
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What do canals house?
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Superior semicircular canal
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
How many times does cochlea turn before reaching its apex
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What is the core of the cochlea?
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What does each ampulla house and whats its function
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Lateral semicircular canal
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What is the inner ear comprised of
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Purpose of ligaments
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Purpose of muscles
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Audition
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Transducer
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What bone surrounds the middle and inner ear
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Impendance
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Utricle
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
Saccule
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
How many muscles attach the ossicles and to which ones?
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What are the names of the muscles that attach to the ossicles
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
How manny ligaments connect to the malleus
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
How many ligaments connect to the incus
Pulls on ossicles to stiffen them
Area ratio advantage(25dp), lever difference between malleus and stapes(3db), buckling effect as tm moves in response to sound(4-6db)
28-31 dp
Amplify sound wave that comes from outer ear when it hits cochlea so we can hear it clearly
2
Shaking head no
Attachments for ligaments or muscles
Cochlea, vestibule, and semicircular canals
Temporal
Overcome resistance
Sinking feeling of plane droppin in air
Tensor tympani, and stapedius
3
Ball in socket joint
2.75
Hold ossicles in place
Crista Ampularis( sense organ for movement)
Refers to the processes associated with hearing
Converts acoustic energy into electrochemical energy
Sense organs for movement of the body in space
Pinna and external auditory meatus
Responsible for head to shoulder motion
Sense quick acceleration
2, stapes and malleus
Modiolous
Saddle joint
Collect sound and funnel to middle ear
Shaking head yes
What occurs when sounds are loud
Greater # of hair cells are stimulated
Stimulates hair closer to apex
Smaller # of hair cells are stimulated
Greater amount of hair stimulation at base of cochlear
What occurs when sounds are soft
Greater # of hair cells are stimulated
Stimulates hair closer to apex
Smaller # of hair cells are stimulated
Greater amount of hair stimulation at base of cochlear
What occurs when sounds are high pitched
Greater # of hair cells are stimulated
Stimulates hair closer to apex
Smaller # of hair cells are stimulated
Greater amount of hair stimulation at base of cochlear
What occurs when sounds are low pitched
Greater # of hair cells are stimulated
Stimulates hair closer to apex
Smaller # of hair cells are stimulated
Greater amount of hair stimulation at base of cochlear
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FRIDAY OR SATURDAY, AMOUNT OF GIRLS (DAYTIME, UNTIL 7PM)
100
FEA - 07/11/2022
331625
1050
320
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